PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // PLearn (A C++ Machine Learning Library) 00004 // Copyright (C) 1998 Pascal Vincent 00005 // Copyright (C) 1999-2002 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal 00006 // Copyright (C) 2001-2002 Nicolas Chapados, Ichiro Takeuchi, Jean-Sebastien Senecal 00007 // Copyright (C) 2002 Xiangdong Wang, Christian Dorion 00008 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are met: 00011 // 00012 // 1. Redistributions of source code must retain the above copyright 00013 // notice, this list of conditions and the following disclaimer. 00014 // 00015 // 2. Redistributions in binary form must reproduce the above copyright 00016 // notice, this list of conditions and the following disclaimer in the 00017 // documentation and/or other materials provided with the distribution. 00018 // 00019 // 3. The name of the authors may not be used to endorse or promote 00020 // products derived from this software without specific prior written 00021 // permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00024 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00025 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00026 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00028 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 // 00034 // This file is part of the PLearn library. For more information on the PLearn 00035 // library, go to the PLearn Web site at www.plearn.org 00036 00037 00038 /* ******************************************************* 00039 * $Id: SubMatVariable.h 5694 2006-05-29 12:48:46Z chapados $ 00040 * This file is part of the PLearn library. 00041 ******************************************************* */ 00042 00043 #ifndef SubMatVariable_INC 00044 #define SubMatVariable_INC 00045 00046 #include "UnaryVariable.h" 00047 00048 namespace PLearn { 00049 using namespace std; 00050 00061 class SubMatVariable: public UnaryVariable 00062 { 00063 typedef UnaryVariable inherited; 00064 00065 protected: 00068 int startk; 00069 00071 int length_; 00072 00074 int width_; 00075 00077 int i_; 00078 00080 int j_; 00081 00082 public: 00083 00085 SubMatVariable() : startk(0), length_(0), width_(0), i_(0), j_(0) {} 00086 SubMatVariable(Variable* v, int i, int j, int the_length, int the_width); 00087 PLEARN_DECLARE_OBJECT(SubMatVariable); 00088 static void declareOptions(OptionList &ol); 00089 00090 virtual void build(); 00091 00092 virtual void recomputeSize(int& l, int& w) const; 00093 virtual void fprop(); 00094 virtual void bprop(); 00095 virtual void bbprop(); 00096 virtual void symbolicBprop(); 00097 virtual void rfprop(); 00098 00099 private: 00100 void build_(); 00101 00102 }; 00103 00104 DECLARE_OBJECT_PTR(SubMatVariable); 00105 00106 inline Var subMat(Var v, int i, int j, int l, int w) { 00107 return new SubMatVariable(v, i, j, l, w); 00108 } 00109 00110 } // end of namespace PLearn 00111 00112 #endif 00113 00114 00115 /* 00116 Local Variables: 00117 mode:c++ 00118 c-basic-offset:4 00119 c-file-style:"stroustrup" 00120 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00121 indent-tabs-mode:nil 00122 fill-column:79 00123 End: 00124 */ 00125 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :